Researchers Document Unusual Relationship Between Bull and Male Donkey

• Researchers in Ethiopia documented an unusual relationship between a bull named Achille and a male donkey named Patroclo.
• The animals were observed engaging in penetrative sex and other affectionate behaviors.
• Their names reference Achilles and Patroclus, Greek mythological figures known for their intense bond.
• This interspecies relationship provides new insights into animal social and sexual relations.
• The findings were published in the journal Current Biology.